117777789590 has 64 divisors (see below), whose sum is σ = 226453708800. Its totient is φ = 43948832256.

The previous prime is 117777789559. The next prime is 117777789617. The reversal of 117777789590 is 95987777711.

It is a self number, because there is not a number n which added to its sum of digits gives 117777789590.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31497941 + ... + 31501679.

It is an arithmetic number, because the mean of its divisors is an integer number (3538339200).

Almost surely, 2^117777789590 is an apocalyptic number.

117777789590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117777789590 is a deficient number, since it is larger than the sum of its proper divisors (108675919210).

117777789590 is a wasteful number, since it uses less digits than its factorization.

117777789590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349.

The product of its (nonzero) digits is 54454680, while the sum is 68.

The spelling of 117777789590 in words is "one hundred seventeen billion, seven hundred seventy-seven million, seven hundred eighty-nine thousand, five hundred ninety".